Display apparatus and processing method

1. A display apparatus, comprising: a display, configured to display an image and/or a user interface; one or more external device interfaces, configured to be connected with one or more external devices; a memory, configured to store instructions and data associated with the display; and at least one processor, configured to execute the instructions to cause the display apparatus to: receive a data stream from the external device in connection with the display apparatus; obtain a device information frame in the data stream, wherein the device information frame is a data frame generated by the external device according to a basic transmission protocol between the external device and the display apparatus; traverse marker bits in the device information frame; wherein a state value of a specified marker bit in the marker bits indicates whether the external device supports an automatic control protocol between the external device and the display apparatus; in response to the external device supporting the automatic control protocol, switch a play mode according to usage scenario information added in the data stream; and in response to the external device not supporting the automatic control protocol, switch a play mode according to a device type of the external device.

2. The display apparatus according to claim 1, wherein the play mode comprises a low-latency mode (LLM) and a high image quality mode (HIQM).

3. The display apparatus according to claim 2, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the external device supporting the automatic control protocol, read an auto low-latency mode (ALLM) state parameter from the data stream; in response to the ALLM state parameter being a first value, switch the play mode to the LLM; and in response to the ALLM state parameter being a second value different from the first value, switch the play mode to the HIQM.

4. The display apparatus according to claim 1, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the external device supporting the automatic control protocol, obtain the device type of the external device from the data stream; in response to the device type being a single-mode device, switch the play mode into a mode supported by the single-mode device; and in response to the device type being a multi-mode device, configure an extension protocol and switch the play mode according to the extension protocol; wherein the extension protocol is configured to transfer the usage scenario information of the external device.

5. The display apparatus according to claim 4, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the device type being the multi-mode device, periodically obtain protocol frame data; traverse parameter values in a plurality of bits in the protocol frame data; read current usage scenario information according to a combination of the parameter values in the plurality of bits; and set the play mode to a mode which adapts to the current usage scenario information.

6. The display apparatus according to claim 1, wherein the mode which adapts to the current usage scenario information comprises a complete LLM and a non-complete LLM.

7. The display apparatus according to claim 6, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the mode which adapts to the current usage scenario information being the complete LLM, shut down all image quality processing options for the data stream; and in response to the mode which adapts to the current usage scenario information being the non-complete LLM, shut down all image quality processing options other than a specified image quality processing option for the data stream.

8. The display apparatus according to claim 1, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the external device not supporting the automatic control protocol, obtain the device type of the external device according to data of a specified bit in the device information frame; in response to the device type being a first type of device, set the play mode being LLM; and in response to the device type being a second type of device, set the play mode being HIQM.

9. The display apparatus according to claim 1, wherein the at least one processor is further configured to execute the instructions to cause the display apparatus to: in response to the external device being connected with the external device interface for a first time, obtain scenario switching information of the external device within a detection period and parameter change information of automatic control protocol marker bits in the data stream; in response to the scenario switching information matching the parameter change information, generate control protocol supporting information for indicating that the external device supports the automatic control protocol; and store the control protocol supporting information.

10. A processing method in a display apparatus, comprising: receiving a data stream from an external device in connection with the display apparatus; obtaining a device information frame in the data stream, wherein the device information frame is a data frame generated by the external device according to a basic transmission protocol between the external device and the display apparatus; traversing marker bits in the device information frame; wherein a state value of a specified marker bit in the marker bits indicates whether the external device supports an automatic control protocol between the external device and the display apparatus; in response to the external device supporting the automatic control protocol, switching a play mode according to usage scenario information added in the data stream; in response to the external device not supporting the automatic control protocol, switching a play mode according to a device type of the external device.

11. The method according to claim 10, wherein the play mode comprises a low-latency mode (LLM) and a high image quality mode (HIQM).

12. The method according to claim 11, further comprising: in response to the external device supporting the automatic control protocol, reading an auto low-latency mode (ALLM) state parameter from the data stream; in response to the ALLM state parameter being a first value, switching the play mode to the LLM; and in response to the ALLM state parameter being a second value that is different from the first value, switching the play mode to the HIQM.

13. The method according to claim 10, further comprising: in response to the external device supporting the automatic control protocol, obtaining the device type of the external device from the data stream; in response to the device type being a single-mode device, switching the play mode into a mode supported by the single-mode device; and in response to the device type being a multi-mode device, configuring an extension protocol and switch the play mode according to the extension protocol; wherein the extension protocol is configured to transfer the usage scenario information of the external device.

14. The method according to claim 13, further comprising: in response to the device type being the multi-mode device, periodically obtaining protocol frame data; traversing parameter values in a plurality of bits in the protocol frame data; reading current usage scenario information according to a combination of the parameter values in the plurality of bits; and setting the play mode to a mode which adapts to the current usage scenario information.

15. The method according to claim 10, wherein the mode which adapts to the current usage scenario information comprises a complete LLM and a non-complete LLM.

16. The method according to claim 15, further comprising: in response to the mode which adapts to the current usage scenario information being the complete LLM, shutting down all image quality processing options for the data stream; and in response to the mode which adapts to the current usage scenario information being the non-complete LLM, shutting down all image quality processing options other than a specified image quality processing option for the data stream.

17. The method according to claim 10, further comprising: in response to the external device not supporting the automatic control protocol, obtaining the device type of the external device according to data of a specified bit in the device information frame; in response to the device type being a first type of device, setting the play mode being an LLM; and in response to the device type being a second type of device, setting the play mode being an HIQM.

18. The method according to claim 10, further comprising: in response to the external device being connected with an external device interface for a first time, obtaining scenario switching information of the external device within a detection period and parameter change information of automatic control protocol marker bits in the data stream; in response to the scenario switching information matching the parameter change information, generating control protocol supporting information for indicating that the external device supports the automatic control protocol; and storing the control protocol supporting information.